yum update error failed to retrieve repodata/filelists.xml.gz from ol6_x86_64_latest

When performing an update through yum I received the following error. The error was still present after trying both suggested work arounds. Yum uses a cache to speed operations and this cache can become corrupt […]

ORA-00600 [LibraryCacheNotEmptyOnClose]

If you are running Oracle 10gR2 to and encounter this error on shutdown you ran into either unpublished bug 4483084 or bug 7572335. Both bugs deal with objects left in the library cache […]

JavaFX 2.1 Layouts: javafx.scene.layout.BorderPane

The javafx.scene.layout.BorderPane class splits the plane into five regions: top, bottom, right, left and center. Each region can contain child nodes or other layouts.

JavaFX 2.1 Layouts: javafx.scene.layout.Pane

The class javafx.scene.layout.Pane is the base class for the layout panes. This class provides no formatting of the child nodes beyond resizing resizable child nodes. This post will look at the javafx.scene.layout.Pane class.

Oracle GoldenGate 11g v11. Process Architecture

This post will introduce the Oracle GoldenGate 11g v11. process architecture and provide a brief overview of the GoldeGate process.

Installation of Oracle GoldenGate v11. for Oracle 11g on Linux x86-64

This document details the installation and configuration of Oracle GoldenGate v11. for Oracle 11g on Linux x86-64. Configuration of the GoldenGate instance and other processes will be detailed in upcoming posts. These initial steps need […]

Install Oracle Grid Infrastructure 11gR2 with ASM on Standalone Server

If you would like to experiment with Oracle ASM or Oracle Restart you will need to install the Oracle Grid Infrastructure. Oracle Grid Infrastructure can be installed for a cluster or a standalone server. This […]

Building a simple server to provide DNS, DHCP and NTP to support Grid Naming Services

Oracle 11g Grid Infrastructure provides the ability to use DHCP for all private interconnect address, as well as most VIP address but it does not provide an optimal method for producing names for these address […]

Creating a Physical Standby using RMAN DUPLICATE FROM ACTIVE DATABASE

Prior to Oracle Database 11g duplication was performed from an existing RMAN backup. Oracle Database 11g introduces Active database duplication which copies the live source database over the network without the need of an existing […]

NoCOUG: Celebrating 25 years and 100 conferences

This year marks the 25th anniversary of the Northern California Oracle Users Group (NoCOUG) and on November 9th 2011 they will hold their 100th conference. If you are in the Northern California area you should […]

EM Configuration issue. $ORACLE_HOME/odprimary_PRIDB not found

We noticed that some of our databases monitored in Oracle Enterprise Manager Grid Control were showing a status of Agent Unreachable. When checking the status of the Agent on the server the following error was […]

Installing Oracle Enterprise Manager Cloud Control 12c Release 1

Oracle Enterprise Manager Cloud Control 12c Release 1 is the next release in the Enterprise Manager Product line. This document will detail the installation steps on Oracle Enterprise Linux 5.5 with an Oracle 11gR2 repository […]

Removing Database Control (dbconsole) from a database

Oracle Database 10g introduced Database Control (dbconsole) to aid in day to day administration tasks and monitoring. When building a database for use as a repository for Oracle Enterprise Manager Grid Control or the recently […]

Preparing Drives for ASM using ASMLib

This document will detail the steps to configure disks for ASM and the installation of ASMLib on Oracle Enterprise Linux 5.5 running in Oracle VM VirtualBox 4.1.2. The drives were created as shared drives. See […]

PRVF-5439: NTP daemon does not have slewing option “-x” set on node

When installing Oracle 11gR2 Grid Infrastructure either the cluster verify utility or the prerequisite checks find that the NTP daemon does not have the slewing option set.

Quick Manual Database Creation

Using Oracle Managed Files you can quickly create a database manually with very little upfront effort. Oracle Managed Files greatly simplifies the database creation process because all that is needed is the location in which […]

Changing the HOSTNAME on Oracle Enterprise Linux

Either due to cloning or corporate naming standards, you may find the need to change the hostname of an Oracle Enterprise Linux System.